DTC P1143 Mini
Faulty motor drive circuit
Faulty motor drive circuit
Description
If the pump motor switch voltage drop indicates high value when the pump motor operates or after the operation, the pump motor operation is stopped and this diagnostic trouble code is set. NOTE: For past troubles, carry out diagnosis with particular emphasis on wiring harness and connector failures between the power supply circuit and the ASC-ECU motor and the ground circuits.
Cause and Solution
Fusible link malfunction Damaged wiring harness and connectors Abnormality in battery or generator ASC-ECU malfunction
Video Guide
Diagnostic Info
- DTC Code: P1143
- Brand: Mini